Struct InstanceDescriptor

pub struct InstanceDescriptor {
    pub backends: Backends,
    pub flags: InstanceFlags,
    pub backend_options: BackendOptions,
}

Options for creating an instance.

Fields

backends: Backends

Which Backends to enable.

flags: InstanceFlags

Flags to tune the behavior of the instance.

backend_options: BackendOptions

Options the control the behavior of various backends.

Implementations

impl InstanceDescriptor

pub fn from_env_or_default() -> InstanceDescriptor

Choose instance options entirely from environment variables.

This is equivalent to calling from_env on every field.

pub fn with_env(self) -> InstanceDescriptor

Takes the given options, modifies them based on the environment variables, and returns the result.

This is equivalent to calling with_env on every field.

Trait Implementations

impl Clone for InstanceDescriptor

fn clone(&self) -> InstanceDescriptor

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for InstanceDescriptor

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Default for InstanceDescriptor

fn default() -> InstanceDescriptor

Returns the “default value” for a type.